var user22 = {
    name: 'ss',
    age: 12
};
user22.name = 'ii'; // 2、
// interface Person {
//   // age:number
//   id: number;
//   name: string;
//   email: string;
// }
// const userr3: Readonly<Person> = {
//   // age:2,
//   id: 1,
//   name: "Dolphin",
//   email: "dolphin@meituan.com"
// };
// // 尝试修改只读属性会导致编译错误
// // user.id = 2; // Error: Cannot assign to 'id' because it is a read-only property.
// // user.name = "Bob"; // Error: Cannot assign to 'name' because it is a read-only property.
